(19)

(11)

EP 3 853 607 A1

(12)

(43) Date of publication: 28.07.2021 Bulletin 2021/30 (21) Application number: 19772804.1 (22) Date of filing: 13.09.2019

(51) International Patent Classification (IPC):  G01N 33/543(2006.01) G01N 33/49(2006.01) G01N 33/92(2006.01) B01L 3/00(2006.01) G01N 33/86(2006.01) (86) International application number: PCT/GB2019/052573 (87) International publication number: WO 2020/058676 (26.03.2020 Gazette 2020/13)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 19.09.2018 GB 201815278 09.08.2019 GB 201911397 (71) Applicant: LUMIRADX UK LTD London SE1 2AQ (GB)

(72) Inventors: LOWE, Phill Manor Loan Stirling FK9 5QD (GB) KEATCH, Steven Alexander Manor Loan Stirling FK9 5QD (GB) MCGUIGAN, Brian Manor Loan Stirling FK9 5QD (GB) BELLO, Lois Manor Loan Stirling FK9 5QD (GB) SLEVIN, Chris Manor Loan Stirling FK9 5QD (GB) LANG, David Manor Loan Stirling FK9 5QD (GB) DILLEEN, John Manor Loan Stirling FK9 5QD (GB) (74) Representative: Chapman, Paul Gilmour  Marks & Clerk LLP 40 Torphichen Street Edinburgh EH3 8JB Edinburgh EH3 8JB (GB)